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Magnetic Field Evolution of Hot Exoplanets
Konstantinos Kilmetis, Aline A. Vidotto, Andrew Allan +1
Numerical simulations have shown that the strength of planetary magnetic fields depends on the convective energy flux emerging from planetary interiors. Here we model the interior…
Magnetic interaction of stellar coronal mass ejections with close-in exoplanets: implication on planetary mass loss and Ly- transits
Gopal Hazra, Aline A. Vidotto, Stephen Carolan +2
Coronal Mass Ejections (CMEs) erupting from the host star are expected to have effects on the atmospheric erosion processes of the orbiting planets. For planets with a magnetospher…
Atmospheric escape in hot Jupiters under sub-Alfvénic interactions
Andrés Presa, Florian A. Driessen, Aline A. Vidotto
Hot Jupiters might reside inside the Alfvén surface of their host star wind, where the stellar wind is dominated by magnetic energy. The implications of such a sub-Alfvénic environ…
Multiwavelength Campaign Observations of a Young Solar-type Star, EK Draconis. II. Understanding Prominence Eruption through Data-Driven Modeling and Observed Magnetic Environment
Kosuke Namekata, Kai Ikuta, Pascal Petit +15
EK Draconis, a nearby young solar-type star (G1.5V, 50-120 Myr), is known as one of the best proxies for inferring the environmental conditions of the young Sun. The star frequentl…
High-latitude coronal mass ejections on the young solar-like star AB Dor
K. Markus Strickert, Dag Evensberget, Aline A. Vidotto
AB Dor is a young solar-type star with a surface large-scale magnetic field to times stronger than the that of the Sun. Although strong magnetic fields are thought to…
Colorado Ultraviolet Transit Experiment Near-Ultraviolet Transmission Spectroscopy of the Ultra-hot Jupiter KELT-9b
Arika Egan, Kevin France, Aickara Gopinathan Sreejith +9
We present new near-ultraviolet (NUV, = 2479 3306 ) transmission spectroscopy of KELT-9b, the hottest known exoplanet, obtained with the Colorado Ultraviolet Transit Exp…